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1. Dictionary

   In·dex

   /ˈinˌdeks/

   

   noun

   • 1. an alphabetical list of names, subjects, etc., with references to the places where they occur, typically found at the end of a book: "clear cross references supplemented by a thorough index"
   • ▪ an alphabetical list by title, subject, author, or other category of a collection of books or documents, e.g., in a library. Similar registerlistlistinginventorydirectoryguidekeycatalogtable of contents
   • ▪ short for Index Librorum Prohibitorum
   • ▪ a set of items each of which specifies one of the records of a file and contains information about its address.
   • 2. an indicator, sign, or measure of something: "exam results may serve as an index of the teacher's effectiveness" Similar guidecluehintindicationindicatorleadsignsignalmarktokenevidencesymptomimplicationintimationsuggestion
   • ▪ a figure in a system or scale representing the average value of specified prices, shares, or other items as compared with some reference figure: "the hundred-shares index closed down 9.3"
   • ▪ a number giving the magnitude of a physical property or another measured phenomenon in terms of a standard: "the oral hygiene index was calculated as the sum of the debris and calculus indices"
   • 3. an exponent or other superscript or subscript number appended to a quantity.
   • 4. a pointer on an instrument, showing a quantity, a position on a scale, etc. Similar pointerindicatorneedlehandfingermarker
   • ▪ a symbol shaped like a pointing hand, used to draw attention to a note.

   verb

   • 1. record (names, subjects, etc.) in an index: "the list indexes theses under regional headings"
   • ▪ provide an index to: "data sets are indexed by subject"
   • 2. link the value of (prices, wages, or other payments) automatically to the value of a price index: "legislation indexing wages to prices"
   • 3. (of a machine or part of one) rotate or otherwise move from one predetermined position to another in order to carry out a sequence of operations: "the pins are retracted and indexed to occupy an adjacent slotted position"

   Word Origin late Middle English: from Latin index, indic- ‘forefinger, informer, sign’, from in- ‘towards’ + a second element related to dicere ‘say’ or dicare ‘make known’; compare with indicate. The original sense ‘index finger’ (with which one points), came to mean ‘pointer’ (late 16th century), and figuratively something that serves to point to a fact or conclusion; hence a list of topics in a book (‘pointing’ to their location).

   Derivatives

   • 1. indexable adjective
   • 2. indexation noun
   • 3. indexer noun
   • 4. indexible adjective

   Scrabble Points: 13

   • I

     1

   • N

     1

   • D

     2

   • E

     1

   • X

     8

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2. www.merriam-webster.com › dictionary › indexIndex Definition & Meaning - Merriam-Webster

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   Learn the various meanings and uses of the word index, from a list of items or numbers to a device or symbol. See synonyms, examples, word history, and related articles.

3. People also ask

   What does index mean?

   • : to list in an index : the ratio of one dimension of a thing (as an anatomical structure) to another dimension see cephalic index, cranial index : a numerical measure or indicator (as of inflation or economic performance) see also consumer price index Nglish: Translation of index for Spanish Speakers

   Index Definition & Meaning - Merriam-Webster

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   What does index mean in a sentence?

   • Get Word of the Day daily email! The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or keyword). How to use index in a sentence.

   Index Definition & Meaning - Merriam-Webster

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   What is indices in math?

   • 1. an alphabetical list of names, subjects etc eg at the end of a book. 2. ( plural indices (ˈindisiːz) ) in mathematics the figure which indicates the number of times a figure etc must be multiplied by itself etc. In 63 and 75, the figures 3 and 5 are the indices. índice the finger next to the thumb. She pointed at the map with her index finger.

   Index - definition of index by The Free Dictionary

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   What is the plural of index?

   • The plural form of index is either indices, pronounced [ in-duh-seez ], or indexes. Indices is more widely used. The plurals of several other singular words that end in -ex or -ix are also formed this way, including appendix/appendices, cortex/cortices, and codex/codices.

   INDEX Definition & Meaning | Dictionary.com

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4. dictionary.cambridge.org › dictionary › englishINDEX | English meaning - Cambridge Dictionary

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   Learn the meaning of index as a noun and a verb in English, with different contexts and usage. Find out how to use index in lists, comparisons, finance, and business.

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6. www.dictionary.com › browse › indexINDEX Definition & Meaning | Dictionary.com

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   a reference table that contains the keys or references needed to address data items. the part of a search engine where website addresses are cataloged with their associated keywords in order to quickly retrieve the most relevant web pages when a user submits a search query. Also called fist, hand.

7. www.thefreedictionary.com › indexIndex - definition of index by The Free Dictionary

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   Index is a word with multiple meanings and uses in different fields, such as printing, mathematics, statistics, and computing. Learn the definition, synonyms, and examples of index from various sources and dictionaries.

8. www.oxfordlearnersdictionaries.com › definitionindex noun - Definition, pictures, pronunciation and usage ...

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   Learn the meaning and usage of the word index in different contexts, such as books, money, computers and mathematics. Find synonyms, collocations and pronunciation tips for index.

9. www.ldoceonline.com › dictionary › indexindex | meaning of index in Longman Dictionary of ...

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   Index can be a noun or a verb with different meanings, such as a list of names or subjects in a book, a system of comparing prices or costs, or a way of adjusting wages or pensions. Learn more about the usage and origin of index with examples and related topics.

10. dictionary.cambridge.org › learner-english › indexINDEX | meaning - Cambridge Learner's Dictionary

    dictionary.cambridge.org › learner-english › index

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    Learn the meaning of index as a noun and a verb in English, with examples of usage and translations. Index can refer to a list of subjects or names in a book, a collection of information in alphabetical order, or a system for comparing values.